X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=lib%2FMaypole%2FModel%2FCDBI.pm;h=4ed0aa68b331179ace9c43f7ec516c9338a2759a;hb=d2c852208417c014caec0436a677fcadccc197d8;hp=54325616f90cac9dfcfaa5d3ff3474639a3cf0b1;hpb=ef3da5818c452a331e863d30efc41f5b65d0f624;p=maypole.git

diff --git a/lib/Maypole/Model/CDBI.pm b/lib/Maypole/Model/CDBI.pm
index 5432561..4ed0aa6 100644
--- a/lib/Maypole/Model/CDBI.pm
+++ b/lib/Maypole/Model/CDBI.pm
@@ -17,7 +17,7 @@ Maypole::Model::CDBI - Model class based on Class::DBI
 
 =head1 DESCRIPTION
 
-This is a master model class which uses C<Class::DBI> to do all the hard
+This is a master model class which uses L<Class::DBI> to do all the hard
 work of fetching rows and representing them as objects. It is a good
 model to copy if you're replacing it with other database abstraction
 modules.
@@ -39,26 +39,40 @@ See L<Maypole::Model::Base> for these:
 
 =item setup_database
 
+=item fetch_objects
+
 =back 
 
-=head1 Additional Commands
+=head1 Additional Actions
 
 =over 
 
 =item delete
 
-Surprisingly, this command causes a database record to be forever lost.
+Unsuprisingly, this command causes a database record to be forever lost.
 
 =item search
 
+The search action 
+
+=back
+
 =head1 Helper Methods
 
+=over 
+
 =item order
 
 =item stringify_column
 
 =item do_pager
 
+=item related_class
+
+Given an accessor name as a method, this function returns the class this accessor returns.
+
+=back
+
 =cut
 
 sub related {
@@ -66,42 +80,56 @@ sub related {
     return keys %{ $self->meta_info('has_many') || {} };
 }
 
-#sub related_class {
-#    my ( $self, $r, $accessor ) = @_;
-#    my $related=$self->related->{$accessor};
-#    if ( my $mapping=$related->{args}->{mapping} ) {
-#	return	$related->{foreign_class}->meta_info('has_a')->{$$mapping[0]}->{foreign_class};
-#    } else { 
-#	return $related->{foreign_class};
-#    }
-#}
+sub related_class {
+    my ( $self, $r, $accessor ) = @_;
+
+    my $related = $self->meta_info( has_many => $accessor ) ||
+                  $self->meta_info( has_a    => $accessor ) ||
+                  return;
+
+    my $mapping = $related->{args}->{mapping};
+    if ( @$mapping ) {
+        return $related->{foreign_class}->meta_info('has_a')->{ $$mapping[0] }
+          ->{foreign_class};
+    }
+    else {
+        return $related->{foreign_class};
+    }
+}
 
 sub do_edit : Exported {
     my ( $self, $r ) = @_;
     my $h        = CGI::Untaint->new( %{ $r->{params} } );
     my $creating = 0;
     my ($obj) = @{ $r->objects || [] };
+    my $fatal;
     if ($obj) {
-
         # We have something to edit
-        $obj->update_from_cgi( $h =>
-              { required => $r->{config}{ $r->{table} }{required_cols} || [], }
-        );
+        eval {
+            $obj->update_from_cgi( $h =>
+                { required => $r->{config}{ $r->{table} }{required_cols} || [], }
+            );
+        };
+        $fatal = $@;
     }
     else {
-        $obj =
-          $self->create_from_cgi( $h =>
-              { required => $r->{config}{ $r->{table} }{required_cols} || [], }
-          );
+        eval {
+            $obj =
+                $self->create_from_cgi( $h =>
+                    { required => $r->{config}{ $r->{table} }{required_cols} || [], }
+            );
+        };
+        $fatal = $@;
         $creating++;
     }
-    if ( my %errors = $obj->cgi_update_errors ) {
+    if ( my %errors = $fatal ? (FATAL => $fatal) : $obj->cgi_update_errors ) {
 
         # Set it up as it was:
         $r->{template_args}{cgi_params} = $r->{params};
         $r->{template_args}{errors}     = \%errors;
-        $r->{template}                  = "edit";
-        undef $obj if $creating;    # Couldn't create
+
+        undef $obj if $creating;
+        $r->template("edit");
     }
     else {
         $r->{template} = "view";
@@ -144,7 +172,8 @@ sub search : Exported {
     my $oper   = "like";                                # For now
     my %params = %{ $r->{params} };
     my %values = map { $_ => { $oper, $params{$_} } }
-      grep { $params{$_} and $fields{$_} } keys %params;
+      grep { defined $params{$_} && length ($params{$_}) && $fields{$_} }
+      keys %params;
 
     $r->template("list");
     if ( !%values ) { return $self->list($r) }
@@ -153,7 +182,7 @@ sub search : Exported {
     $r->objects(
         [
             $self->search_where(
-                \%values, ( $order ? { order => $order } : () )
+                \%values, ( $order ? { order_by => $order } : () )
             )
         ]
     );
@@ -192,12 +221,13 @@ sub list : Exported {
 }
 
 sub setup_database {
-    my ( $self, $config, $namespace, $dsn, $u, $p, $opts ) = @_;
+    my ( $class, $config, $namespace, $dsn, $u, $p, $opts ) = @_;
     $dsn  ||= $config->dsn;
     $u    ||= $config->user;
     $p    ||= $config->pass;
     $opts ||= $config->opts;
     $config->dsn($dsn);
+    warn "No DSN set in config" unless $dsn;
     $config->loader || $config->loader(
         Class::DBI::Loader->new(
             namespace => $namespace,
@@ -209,6 +239,8 @@ sub setup_database {
     );
     $config->{classes} = [ $config->{loader}->classes ];
     $config->{tables}  = [ $config->{loader}->tables ];
+    warn( 'Loaded tables: ' . join ',', @{ $config->{tables} } )
+      if $namespace->debug;
 }
 
 sub class_of {
@@ -216,5 +248,15 @@ sub class_of {
     return $r->config->loader->_table2class($table);
 }
 
-1;
+sub fetch_objects {
+    my ($class, $r)=@_;
+    my @pcs = $class->primary_columns;
+    if ( $#pcs ) {
+    my %pks;
+        @pks{@pcs}=(@{$r->{args}});
+        return $class->retrieve( %pks );
+    }
+    return $class->retrieve( $r->{args}->[0] );
+}
 
+1;